Größe und Komplexität empirischer ökonometrischer Modelle haben in den letzten Jahrzehnten immer mehr zugenommen. Die Zuverlässigkeit des zugrundeliegenden Datenmaterials hat sich dagegen kaum verbessert, und eine Fehlspezifizierung von Meßfehlermodellen zur Schließung der Lücke zwischen...

The Department of Statistics at the University of Dortmund, established in 1973, currently comprises of about 500 students, 10 professors and about 50 scientific co-workers. In the meantime more than 1000 diplomas in Statistics are awarded. The analysis at hand focuses on three aspects: the...

In recent years in the fields of statistics and machine learning an increasing amount of so called local classification methods has been developed. Local approaches to classification are not new, but have lately become popular. Well-known examples are the <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$k$$</EquationSource> </InlineEquation> nearest neighbors method and...</equationsource></inlineequation>

Time series analysis and multivariate control charts are used to devise a real-time monitoring strategy in a drilling process. The process is used to produce holes with high length-to-diameter ratio, good surface finish and straightness. It is subject to dynamic disturbances that are classified...